/* *  Copyright (C) 2004 Tobias Lorenz * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. *//* debugging and register functions *//* Debug speed */#define DEBUG_SPEED		0#define SYSTEM_SPEED		1#define DEBUG_SPEED_SHORT	2/* Registers */typedef struct regs_type {    /* System and User registers */    unsigned long r    [12];	// System and User  r00..r11    unsigned long ip;		// System and User  r12 = ???             (IP)    unsigned long sp;		// System and User  r13 = Stack Pointer   (SP)    unsigned long lr;		// System and User  r14 = Link Register   (LR)    unsigned long pc;		// System and User  r15 = Process Counter (PC)    unsigned long f    [ 8][3];	// GDBs 3*32 Bit registers F0..F8    unsigned long fps;		// GDBs   32 Bit register  fps    unsigned long cpsr;		// Current Programm Status Register       (CPSR)} regs_type;extern regs_type arm_regs;/* Program status register */#define PSR_N	(1<<31)		/* Condition code flag: Negative or less than     */#define PSR_Z	(1<<30)		/* Condition code flag: Zero                      */#define PSR_C	(1<<29)		/* Condition code flag: Carry or borrow or extend */#define PSR_V	(1<<28)		/* Condition code flag: Overflow                  */#define PSR_I	(1<<7)		/* Control bit: IRQ disable */#define PSR_F	(1<<6)		/* Control bit: FIQ disable */#define PSR_T	(1<<5)		/* Control bit: State bit   */#define PSR_M_usr	0x10	/* Mode bit: User       */#define PSR_M_fiq	0x11	/* Mode bit: FIQ        */#define PSR_M_irq	0x12	/* Mode bit: IRQ        */#define PSR_M_svc	0x13	/* Mode bit: Supervisor */#define PSR_M_abt	0x17	/* Mode bit: Abort      */#define PSR_M_und	0x1B	/* Mode bit: Undefined  */#define PSR_M_sys	0x1F	/* Mode bit: System     */void debug_exec_begin(void);unsigned long debug_exec(unsigned long cmd, unsigned long data, int type);void debug_save_regs(void);		// saves registers (after WP) and disable interruptsvoid debug_stop(void);void debug_run(void);void debug_step(void);